{"instruction": "你是专门进行关系抽取的专家。请从input中抽取出符合schema定义的关系三元组，不存在的关系返回空列表。请按照JSON字符串的格式回答。", "schema": ["药物治疗", "风险评估因素", "辅助治疗", "病理分型", "手术治疗"], "input": "转移性乳腺癌@替代性选择包括选择性雌激素受体下调剂氟维司群（曾用过芳香化酶抑制剂时应当考虑）或选择性雌激素受体调节剂他莫昔芬。"}
{"药物治疗": [{"subject": "转移性乳腺癌", "object": "选择性雌激素受体下调剂"}, {"subject": "转移性乳腺癌", "object": "氟维司群"}, {"subject": "转移性乳腺癌", "object": "芳香化酶抑制剂"}, {"subject": "转移性乳腺癌", "object": "选择性雌激素受体调节剂"}, {"subject": "转移性乳腺癌", "object": "他莫昔芬"}], "风险评估因素": [], "辅助治疗": [], "病理分型": [], "手术治疗": []}